A histogram is a multi-value counter that summarizes the distribution of data points. For example, a histogram may have 3 counters which count the occurrences of negative, positive, and zero values respectively. Given a series of numbers, 3, -9, 7, 6, 0, and -1, the histogram would count 2 negative, 1 zero, and 3 positive values. A single histogram data point is most commonly represented as a bar chart. The above example has only 3 possible output values, but it is common to have many more in...